Oceanic trenches in the ocean are long but narrow topographic depressions on the sea floor the deepest parts of the ocean floor.
Deepest floor of the ocean.
Mariana trench also called marianas trench deep sea trench in the floor of the western north pacific ocean the deepest such trench known on earth located mostly east as well as south of the mariana islands it is part of the western pacific system of oceanic trenches coinciding with subduction zones points where two adjacent tectonic plates collide one being forced below the other.
In 2010 the united states center for coastal ocean mapping measured the depth of the challenger deep at 10 994 meters 36 070 feet below sea level with an estimated vertical accuracy of 40 meters.
It is the deepest oceanic trench on earth.
The rest of the ocean floor varies in depth.
The trench is 1 554 miles long and 44 miles wide or 120 times larger than the grand canyon.
The challenger deep in the mariana trench is the deepest known point in earth s oceans.
The most recent descent was made in 2012 by a manned deep submergence vehicle the deepsea challenger.
Many ocean floor features are a result of the interactions that occur at the edges of these plates.
The pacific ocean has around 50 000km of convergent plate margins and most of the deepest point located around this place.
The maximum known depth is 10 984 metres 36 037 ft 25 metres 82 ft 6 825 miles at the southern end of a.
The deepest part of the ocean floor is the marianas trench near the philippines in the pacific ocean.
It is located in the south pacific ocean on the northern side of the kermadec tonga subduction zone.
It is almost seven miles deep or about 35 000 feet.
The shifting plates may collide converge move away diverge or slide past transform each other.
It is crescent shaped and measures about 2 550 km 1 580 mi in length and 69 km 43 mi in width.
Cousteau submerged his camera to the sea floor of the romanche trench in the atlantic ocean some 24 500 feet down providing the first glimpse of this previously unseen part of the ocean.
The tonga trench is the second deepest site in the ocean floor at 35 702 feet below the level of the sea floor.
The mariana trench or marianas trench is located in the western pacific ocean about 200 kilometres 124 mi east of the mariana islands.